Active magnetic bearing condition monitoring

1 Faculty of Engineering, North-West University, Potchefstroom, 2522, South Africa

World Journal of Engineering

ISSN: 1708-5284

Publication date: 21 May 2013

Abstract

In this paper, condition monitoring of the internal parts of a radial active magnetic bearing (AMB) system is performed by means of Cepstrum analysis, Wigner-Ville Distributions (WVD) and enveloped Equi-Sampled Discrete Fourier transforms (ESDFT). Sensor faults, power amplifier failures and controller faults were induced in both the simulation and physical AMB system. Condition monitoring by means of the abovementioned techniques were then performed on the displacement and current signals of the simulation and physical AMB system. Results were compared and conclusions were made on how effective Cepstrum analysis, WVD and enveloped ESDFT were on the faults induced on the AMB system.

Keywords

Citation

Gouws, R. (2013), "Active magnetic bearing condition monitoring", World Journal of Engineering, Vol. 10 No. 2, pp. 179-188. https://doi.org/10.1260/1708-5284.10.2.179

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Emerald Group Publishing Limited

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